Commit b49b5704 authored by Viresh Kumar's avatar Viresh Kumar Committed by Daniel Lezcano

clockevents/drivers/samsung_pwm: Migrate to new 'set-state' interface

Migrate samsung_pwm driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.

This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.

Cc: Tomasz Figa <tfiga@chromium.org>
Cc: Kukjin Kim <kgene@kernel.org>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent 99b3fa72
......@@ -207,25 +207,18 @@ static int samsung_set_next_event(unsigned long cycles,
return 0;
}
static void samsung_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
static int samsung_shutdown(struct clock_event_device *evt)
{
samsung_time_stop(pwm.event_id);
return 0;
}
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
samsung_time_setup(pwm.event_id, pwm.clock_count_per_tick - 1);
samsung_time_start(pwm.event_id, true);
break;
case CLOCK_EVT_MODE_ONESHOT:
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
case CLOCK_EVT_MODE_RESUME:
break;
}
static int samsung_set_periodic(struct clock_event_device *evt)
{
samsung_time_stop(pwm.event_id);
samsung_time_setup(pwm.event_id, pwm.clock_count_per_tick - 1);
samsung_time_start(pwm.event_id, true);
return 0;
}
static void samsung_clockevent_resume(struct clock_event_device *cev)
......@@ -240,12 +233,16 @@ static void samsung_clockevent_resume(struct clock_event_device *cev)
}
static struct clock_event_device time_event_device = {
.name = "samsung_event_timer",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.rating = 200,
.set_next_event = samsung_set_next_event,
.set_mode = samsung_set_mode,
.resume = samsung_clockevent_resume,
.name = "samsung_event_timer",
.features = CLOCK_EVT_FEAT_PERIODIC |
CLOCK_EVT_FEAT_ONESHOT,
.rating = 200,
.set_next_event = samsung_set_next_event,
.set_state_shutdown = samsung_shutdown,
.set_state_periodic = samsung_set_periodic,
.set_state_oneshot = samsung_shutdown,
.tick_resume = samsung_shutdown,
.resume = samsung_clockevent_resume,
};
static irqreturn_t samsung_clock_event_isr(int irq, void *dev_id)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment